	<?php
		class SimpleImage {

		   var $image;
		   var $image_type;

		   function load($filename) {

		      $image_info = getimagesize($filename);
		      $this->image_type = $image_info[2];
		      if( $this->image_type == IMAGETYPE_JPEG ) {

		         $this->image = imagecreatefromjpeg($filename);
		      } elseif( $this->image_type == IMAGETYPE_GIF ) {

		         $this->image = imagecreatefromgif($filename);
		      } elseif( $this->image_type == IMAGETYPE_PNG ) {

		         $this->image = imagecreatefrompng($filename);
		      }
		   }
		   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {

		      if( $image_type == IMAGETYPE_JPEG ) {
		         imagejpeg($this->image,$filename,$compression);
		      } elseif( $image_type == IMAGETYPE_GIF ) {

		         imagegif($this->image,$filename);
		      } elseif( $image_type == IMAGETYPE_PNG ) {

		         imagepng($this->image,$filename);
		      }
		      if( $permissions != null) {

		         chmod($filename,$permissions);
		      }
		   }
		   function output($image_type=IMAGETYPE_JPEG) {

		      if( $image_type == IMAGETYPE_JPEG ) {
		         imagejpeg($this->image);
		      } elseif( $image_type == IMAGETYPE_GIF ) {

		         imagegif($this->image);
		      } elseif( $image_type == IMAGETYPE_PNG ) {

		         imagepng($this->image);
		      }
		   }
		   function getWidth() {

		      return imagesx($this->image);
		   }
		   function getHeight() {

		      return imagesy($this->image);
		   }
		   function resizeToHeight($height) {

		      $ratio = $height / $this->getHeight();
		      $width = $this->getWidth() * $ratio;
		      $this->resize($width,$height);
		   }

		   function resizeToWidth($width) {
		      $ratio = $width / $this->getWidth();
		      $height = $this->getheight() * $ratio;
		      $this->resize($width,$height);
		   }

		   function scale($scale) {
		      $width = $this->getWidth() * $scale/100;
		      $height = $this->getheight() * $scale/100;
		      $this->resize($width,$height);
		   }

		   function resize($width,$height) {
		      $new_image = imagecreatetruecolor($width, $height);
		      imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
		      $this->image = $new_image;
		   }      

		}

	?>